[BUG] Static Frame between animations when using Tween feature

[MrMakistein]

Describe the bug
When using animation tweening the second animation doesn't immediately start but stays still for one tick!

To Reproduce

1. Create two random animations
2. Call tween function to transition into one of them
3. Observe

To see the still frame more easily you can temporarily change the tick speed to something really low

Expected behavior
The interpolation to the second animation should immediately start after the tweening finished.

Example-Video
https://gyazo.com/8fcce336870658ae6f54c5c6afe86d0c

Desktop (please complete the following information):

• OS: Windows
• Version AJ v1.4.0